The correct answer is 5,770 km2.
Use the formula (area) = (power)/(flux): the answer is 4.44x105 MW divided by 77 MW/km2.
This is about the area of the state of Delaware.
Now find the collecting area needed to replace all power consumption in the United States. In 2003 total power consumption was 3.29x106 MW.
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Last modified 11 January 2005.
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